406 CRAYFISHES. 



8. Parastacus spinifrons. 



Astaais spinifrons Philippi, Anales Universidad Chile, 1882, 61. 



Tijpe locality: — Chile. 



9. Parastacus nicoleti. 



Astacus chilensis Nicolet (nee M. Edw.), Gay's Hist. Chile, Zool., 1849, 3, 

 p. 211. Type locality: — Chile. 



Astacus nicoleti Philippi, Anales Universidad Chile, 1882, 61. 



Type locality: — Chile. 



10. Parastacus hassleri. 



Parastacus hassleri Faxon, Proc. U. S. Nat. Mus., Feb. 17, 1898, 20, p. 687. 



Type locality: — Talcahuano, Chile. Types, M. C. Z., No. 3,401; paratypes, 

 U. S. N. M., No. 19,689. 



11. Parastacus araucanius. 



Parastacus araucanius Faxon, supra, p. 353. 



Type locality: — Corral, Chile. Type, M. C. Z., No. 7,355. 



Astacus Fabricius. 



AsTACDS Fabricius, Syst. Entomol., 177.5, p. 413. 



1. Astacus colchicus. 



Astacus colchicus Kessler, Bull. Soc. Imp. Moscou, 1876, 50, p. 2. 



Type locality: — Upper Rion River and trilsutaries, Transcaucasia. 



2. Astacus pachypus. 



Astacus pachypus Rathke, Mem. Acad. Imp. St. Petersbourg, 1836, 3, p. 365. 

 Astacus casjnus Eichwald, Bull. Soc. Imp. Moscou, 1838, p. 149. Type 

 locality: — Caspian Sea, near Baku. 



Type locality: — Neighborhood of Nikolaiev, Boug River, Russia. 



3. Astacus leptodactylus. 



Astacus leptodactylus Eschscholtz, Mem. Soc. Imp. Moscou, 1823, 6, p. 109. 



Astacus leptodactylus salinus Nordmann, Observations sur la Faune Pontique, 

 in Demidoff's Voyage dans la Russie Meridionale et la Crimee, Atlas, Crustacea, 

 1842, Tab. 1. Type locality: — Black Sea. 



Type locality: — Government of Taurida, Russia. 



